ux will protect the process from contamination.
Because this is a process that is quick, it is used in construction. This is also a portable process.
There are basically two types of Flux Core Welding overview that are used: one type uses a shielding gas and the other one does not. With the first type a shielding gas is not used because the flux already has characteristics to resolve a contamination problem so it acts as its own shield. Most welders prefer this type because it penetrates well with the base metal and because it is portable.
The second type uses an outside source for its shielding gas and generally is used to weld different steels together. This type of welding process is used when you have very thick metals to join together or when you have metals that are out of position for some reason. You will have to be wary of outside air conditions when using this one because too much wind could make slag on your metal.